Sterling Silver Oval Blue Apatite EarringsBlue Apatite Jewelry Make a statement with these stunning Sterling Silver Oval Blue Apatite Earrings. The beautiful oval shape, slice cut, and blue stone glimmer and sparkle. Slice cutting is becoming more popular. It is an excellent way to get a luxury look while spending less. The sterling silver setting holding the Apatite is a prong setting. The sterling silver ear wire is French style. Note the tiny sterling ball that is at the end of the ear